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In the matter of
State of Oklaholma, ex rel., A. Drew Edmondson in his capacity as Attorney General of
the State of Oklahoma, and Oklahoma Secretary of the Environment, C. MILES
TOLBERT, in his capacity as the Trustee for Natural Resources for the State of
Oklahoma, Plaintiffs
v.
Tyson Foods, Tyson Poultry, Tyson Chicken, Inc., Cobb-Vantress, Inc., Aviagen, Inc.,
Cal-Maine Farms, Inc., Cargill, Inc., Cargill Turkey Products, LLC, Georges, Inc.,
George’s Farms, Inc., Peterson Farms, Inc., Simmons Foods, Inc., and Willowbrook
Foods, Inc.
Defendants.
CASE NO. 05-CV-329-GFK-SAJ
in the United Station District Court
for the Northern District of Oklahoma
Expert Report
of
Roger L. Olsen, Ph.D.
CDM
555 17th Street, Suite 1100
Denver, CO 80202

In the matter of
State of Oklaholma, ex rel., A. Drew Edmondson in his capacity as Attorney General of
the State of Oklahoma, and Oklahoma Secretary of the Environment, C. MILES
TOLBERT, in his capacity as the Trustee for Natural Resources for the State of
Oklahoma, Plaintiffs
v.
Tyson Foods, Tyson Poultry, Tyson Chicken, Inc., Cobb-Vantress, Inc., Aviagen, Inc.,
Cal-Maine Farms, Inc., Cargill, Inc., Cargill Turkey Products, LLC, Georges, Inc.,
George’s Farms, Inc., Peterson Farms, Inc., Simmons Foods, Inc., and Willowbrook
Foods, Inc.
Defendants.
CASE NO. 05-CV-329-GFK-SAJ
in the United Station District Court
for the Northern District of Oklahoma
Expert Report
of
Roger L. Olsen, Ph.D.
CDM
555 17th Street, Suite 1100
Denver, CO 80202